src/com/android/settings/DevelopmentSettings.java

   1 /*
   2  * Copyright (C) 2008 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package com.android.settings;
  18
  19 import android.app.AlertDialog;
  20 import android.app.Dialog;
  21 import android.content.ContentResolver;
  22 import android.content.DialogInterface;
  23 import android.os.BatteryManager;
  24 import android.os.Build;
  25 import android.os.Bundle;
  26 import android.os.SystemProperties;
  27 import android.preference.CheckBoxPreference;
  28 import android.preference.ListPreference;
  29 import android.preference.Preference;
  30 import android.preference.PreferenceFragment;
  31 import android.preference.PreferenceScreen;
  32 import android.preference.Preference.OnPreferenceChangeListener;
  33 import android.provider.Settings;
  34
  35 /*
  36  * Displays preferences for application developers.
  37  */
  38 public class DevelopmentSettings extends PreferenceFragment
  39         implements DialogInterface.OnClickListener, DialogInterface.OnDismissListener,
  40                 OnPreferenceChangeListener {
  41
  42     private static final String ENABLE_ADB = "enable_adb";
  43     private static final String KEEP_SCREEN_ON = "keep_screen_on";
  44     private static final String ALLOW_MOCK_LOCATION = "allow_mock_location";
  45     private static final String HDCP_CHECKING_KEY = "hdcp_checking";
  46     private static final String HDCP_CHECKING_PROPERTY = "persist.sys.hdcp_checking";
  47
  48     private CheckBoxPreference mEnableAdb;
  49     private CheckBoxPreference mKeepScreenOn;
  50     private CheckBoxPreference mAllowMockLocation;
  51
  52     // To track whether Yes was clicked in the adb warning dialog
  53     private boolean mOkClicked;
  54
  55     private Dialog mOkDialog;
  56
  57     @Override
  58     public void onCreate(Bundle icicle) {
  59         super.onCreate(icicle);
  60
  61         addPreferencesFromResource(R.xml.development_prefs);
  62
  63         mEnableAdb = (CheckBoxPreference) findPreference(ENABLE_ADB);
  64         mKeepScreenOn = (CheckBoxPreference) findPreference(KEEP_SCREEN_ON);
  65         mAllowMockLocation = (CheckBoxPreference) findPreference(ALLOW_MOCK_LOCATION);
  66
  67         removeHdcpOptionsForProduction();
  68     }
  69
  70     private void removeHdcpOptionsForProduction() {
  71         if ("user".equals(Build.TYPE)) {
  72             Preference hdcpChecking = findPreference(HDCP_CHECKING_KEY);
  73             if (hdcpChecking != null) {
  74                 // Remove the preference
  75                 getPreferenceScreen().removePreference(hdcpChecking);
  76             }
  77         }
  78     }
  79
  80     @Override
  81     public void onResume() {
  82         super.onResume();
  83
  84         final ContentResolver cr = getActivity().getContentResolver();
  85         mEnableAdb.setChecked(Settings.Secure.getInt(cr,
  86                 Settings.Secure.ADB_ENABLED, 0) != 0);
  87         mKeepScreenOn.setChecked(Settings.System.getInt(cr,
  88                 Settings.System.STAY_ON_WHILE_PLUGGED_IN, 0) != 0);
  89         mAllowMockLocation.setChecked(Settings.Secure.getInt(cr,
  90                 Settings.Secure.ALLOW_MOCK_LOCATION, 0) != 0);
  91         updateHdcpValues();
  92     }
  93
  94     private void updateHdcpValues() {
  95         int index = 1; // Defaults to drm-only. Needs to match with R.array.hdcp_checking_values
  96         ListPreference hdcpChecking = (ListPreference) findPreference(HDCP_CHECKING_KEY);
  97         if (hdcpChecking != null) {
  98             String currentValue = SystemProperties.get(HDCP_CHECKING_PROPERTY);
  99             String[] values = getResources().getStringArray(R.array.hdcp_checking_values);
 100             String[] summaries = getResources().getStringArray(R.array.hdcp_checking_summaries);
 101             for (int i = 0; i < values.length; i++) {
 102                 if (currentValue.equals(values[i])) {
 103                     index = i;
 104                     break;
 105                 }
 106             }
 107             hdcpChecking.setValue(values[index]);
 108             hdcpChecking.setSummary(summaries[index]);
 109             hdcpChecking.setOnPreferenceChangeListener(this);
 110         }
 111     }
 112
 113     @Override
 114     public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
 115
 116         if (Utils.isMonkeyRunning()) {
 117             return false;
 118         }
 119
 120         if (preference == mEnableAdb) {
 121             if (mEnableAdb.isChecked()) {
 122                 mOkClicked = false;
 123                 if (mOkDialog != null) dismissDialog();
 124                 mOkDialog = new AlertDialog.Builder(getActivity()).setMessage(
 125                         getActivity().getResources().getString(R.string.adb_warning_message))
 126                         .setTitle(R.string.adb_warning_title)
 127                         .setIcon(android.R.drawable.ic_dialog_alert)
 128                         .setPositiveButton(android.R.string.yes, this)
 129                         .setNegativeButton(android.R.string.no, this)
 130                         .show();
 131                 mOkDialog.setOnDismissListener(this);
 132             } else {
 133                 Settings.Secure.putInt(getActivity().getContentResolver(),
 134                         Settings.Secure.ADB_ENABLED, 0);
 135             }
 136         } else if (preference == mKeepScreenOn) {
 137             Settings.System.putInt(getActivity().getContentResolver(),
 138                     Settings.System.STAY_ON_WHILE_PLUGGED_IN,
 139                     mKeepScreenOn.isChecked() ?
 140                     (BatteryManager.BATTERY_PLUGGED_AC | BatteryManager.BATTERY_PLUGGED_USB) : 0);
 141         } else if (preference == mAllowMockLocation) {
 142             Settings.Secure.putInt(getActivity().getContentResolver(),
 143                     Settings.Secure.ALLOW_MOCK_LOCATION,
 144                     mAllowMockLocation.isChecked() ? 1 : 0);
 145         }
 146
 147         return false;
 148     }
 149
 150     private void dismissDialog() {
 151         if (mOkDialog == null) return;
 152         mOkDialog.dismiss();
 153         mOkDialog = null;
 154     }
 155
 156     public void onClick(DialogInterface dialog, int which) {
 157         if (which == DialogInterface.BUTTON_POSITIVE) {
 158             mOkClicked = true;
 159             Settings.Secure.putInt(getActivity().getContentResolver(),
 160                     Settings.Secure.ADB_ENABLED, 1);
 161         } else {
 162             // Reset the toggle
 163             mEnableAdb.setChecked(false);
 164         }
 165     }
 166
 167     public void onDismiss(DialogInterface dialog) {
 168         // Assuming that onClick gets called first
 169         if (!mOkClicked) {
 170             mEnableAdb.setChecked(false);
 171         }
 172     }
 173
 174     @Override
 175     public void onDestroy() {
 176         dismissDialog();
 177         super.onDestroy();
 178     }
 179
 180     @Override
 181     public boolean onPreferenceChange(Preference preference, Object newValue) {
 182         if (HDCP_CHECKING_KEY.equals(preference.getKey())) {
 183             SystemProperties.set(HDCP_CHECKING_PROPERTY, newValue.toString());
 184             updateHdcpValues();
 185             return true;
 186         }
 187         return false;
 188     }
 189 }